// Copyright Joyent, Inc. and other Node contributors.
//
// Permission is hereby granted, free of charge, to any person obtaining a
// copy of this software and associated documentation files (the
// "Software"), to deal in the Software without restriction, including
// without limitation the rights to use, copy, modify, merge, publish,
// distribute, sublicense, and/or sell copies of the Software, and to permit
// persons to whom the Software is furnished to do so, subject to the
// following conditions:
//
// The above copyright notice and this permission notice shall be included
// in all copies or substantial portions of the Software.
//
// THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
// OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN
// NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
// DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
// OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
// USE OR OTHER DEALINGS IN THE SOFTWARE.

'use strict'

const tap = require('tap')
const silentConsole = {
  log() {},
  error() {}
}
require('../common')
const assert = require('assert')
const stream = require('../../lib/ours/index')
const chunk = Buffer.from('hallo')
class TestWriter extends stream.Writable {
  _write(buffer, encoding, callback) {
    callback(null)
  }
}
const dest = new TestWriter()

// Set this high so that we'd trigger a nextTick warning
// and/or RangeError if we do maybeReadMore wrong.
class TestReader extends stream.Readable {
  constructor() {
    super({
      highWaterMark: 0x10000
    })
  }
  _read(size) {
    this.push(chunk)
  }
}
const src = new TestReader()
for (let i = 0; i < 10; i++) {
  src.pipe(dest)
  src.unpipe(dest)
}
assert.strictEqual(src.listeners('end').length, 0)
assert.strictEqual(src.listeners('readable').length, 0)
assert.strictEqual(dest.listeners('unpipe').length, 0)
assert.strictEqual(dest.listeners('drain').length, 0)
assert.strictEqual(dest.listeners('error').length, 0)
assert.strictEqual(dest.listeners('close').length, 0)
assert.strictEqual(dest.listeners('finish').length, 0)
silentConsole.error(src._readableState)
process.on('exit', function () {
  src.readableBuffer.length = 0
  silentConsole.error(src._readableState)
  assert(src.readableLength >= src.readableHighWaterMark)
  silentConsole.log('ok')
})

/* replacement start */
process.on('beforeExit', (code) => {
  if (code === 0) {
    tap.pass('test succeeded')
  } else {
    tap.fail(`test failed - exited code ${code}`)
  }
})
/* replacement end */
